NAME Biporipsilonites maximus
AGE Late Eocene-Middle Oligocene.   AGE span: 37.2...28.4 mya
K&J CLASSIFICATION (2000) Fungi Imperfecti, Amerosporae.
FIGURE(S)
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Pl.5fig.46.jpg
FIGURE REFERENCE Song Z, Li G, Cao L, Luo H, Sun Z. 1989. Early Tertiary sporo-pollen assemblages from the Dongpu region; Edited by Research Institute of Exploration and Development, Zhongyuan Petroleum Exploration Bureau, Nanjing Institute of Geology and Palaeontology, Academia Sinica. 192 p.
SPECIES, AUTHORITY B. maximus (Song & Luo) Kalgutkar & Jansonius 2000
LOCATION Shahejie Formation: Qingfeng county of Henan Province, China.
ORIG DESCRIPTION* Spores broadly fusiform, holotype 100 x 43 µm. Spores unicellular, elongated, barrel-shaped, diporate, pores borne terminally; pores elevated by collar-like thickening, subtended by pore cells, with a slit-like space in the centre of the collar extending to the pore; pore structure about 15 µm in height, 25 µm in width, and 15-17 µm in diameter, edges of pores uneven. Spore wall more than 1 µm in thickness, surface smooth.
COMMENTS* This species can be distinguished from other species of Diporisporites by its large size and special pore structure.
PUBLICATION REFERENCE Song Z, Li G, Cao L, Luo H, Sun Z. 1989. Early Tertiary sporo-pollen assemblages from the Dongpu region; Edited by Research Institute of Exploration and Development, Zhongyuan Petroleum Exploration Bureau, Nanjing Institute of Geology and Palaeontology, Academia Sinica. 192 p.
K&J REMARKS
TYPE
ALL NAMES (Including synonyms) Diporisporites maximus Song & Luo, in Song Zhichen, Li Guangxing, Cao Liu, Luo Haicen & Sun Zihua 1989, p. 41, pl. 4, fig. 29.; Biporipsilonites maximus
SERIAL NUMBER 102
PUBLIC COMMENTS
 *For source, see Publication Reference.